17976920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 26052520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 191, 260, 362, 382, 520, 724, 764, 905, 955, 1448, 1528, 1810, 1910, 2353, 2483, 3620, 3820, 4706, 4966, 7240, 7640, 9412, 9932, 11765, 12415, 18824, 19864, 23530, 24830, 34571, 47060, 49660, 69142, 94120, 99320, 138284, 172855, 276568, 345710, 449423, 691420, 898846, 1382840, 1797692, 2247115, 3595384, 4494230, 8988460, 17976920]

約数ペア:

[(1, 17976920), (2, 8988460), (4, 4494230), (5, 3595384), (8, 2247115), (10, 1797692), (13, 1382840), (20, 898846), (26, 691420), (40, 449423), (52, 345710), (65, 276568), (104, 172855), (130, 138284), (181, 99320), (191, 94120), (260, 69142), (362, 49660), (382, 47060), (520, 34571), (724, 24830), (764, 23530), (905, 19864), (955, 18824), (1448, 12415), (1528, 11765), (1810, 9932), (1910, 9412), (2353, 7640), (2483, 7240), (3620, 4966), (3820, 4706)]